diff --git a/appendices/migration54.xml b/appendices/migration54.xml
index dada12bd93..725dcf0942 100644
--- a/appendices/migration54.xml
+++ b/appendices/migration54.xml
@@ -100,16 +100,16 @@
      set using the TZ environment variable. Instead you have to specify a timezone using the
      <link linkend="ini.date.timezone">date.timezone</link> ini option or <function>date_default_timezone_set</function>
      function. PHP will no longer attempt to guess the timezone, and will instead fall back to "UTC" and issue
-     a warning.
+     a <constant>E_WARNING</constant>.
     </simpara>
    </listitem>
    <listitem>
     <simpara>
      Non-numeric string offsets - e.g. <literal>$a['foo']</literal> where $a is a string - now return
-     false on <function>isset</function> and true on <function>empty</function>, and produce a warning
-     if you try to use them. Offsets of types double, bool and null produce a notice. Numeric strings
+     false on <function>isset</function> and true on <function>empty</function>, and produce a <constant>E_WARNING</constant>
+     if you try to use them. Offsets of types double, bool and null produce a <constant>E_NOTICE</constant>. Numeric strings
      (e.g. <literal>$a['2']</literal>) still work as before. Note that offsets like <literal>'12.3'</literal>
-     and <literal>'5 foobar'</literal> are considered non-numeric and produce a warning, but are converted
+     and <literal>'5 foobar'</literal> are considered non-numeric and produce a <constant>E_WARNING</constant>, but are converted
      to 12 and 5 respectively, for backward compatibility reasons.
     </simpara>
    </listitem>
@@ -228,7 +228,7 @@
    </listitem>
    <listitem>
     <simpara>
-     Closures now support <literal>$this</literal>.
+     <link linkend="functions.anonymous">Closures</link> now support <literal>$this</literal>.
     </simpara>
    </listitem>
    <listitem>
@@ -307,8 +307,6 @@
 
  <section xml:id="migration54.deprecated">
   <title>Deprecated features in PHP 5.4.x</title>
-  <simpara>
-  </simpara>
   <simpara>
    Deprecated functions:
   </simpara>
@@ -1328,13 +1326,6 @@
  <section xml:id="migration54.other">
   <title>Other changes</title>
   <itemizedlist>
-   <listitem>
-    <simpara>
-     Changed <link linkend="ini.session.entropy-file">session.entropy_file</link>, which
-     now defaults to <literal>/dev/urandom</literal> or <literal>/dev/arandom</literal> if
-     either are present at compile time.
-    </simpara>
-   </listitem>
    <listitem>
     <simpara>
      <constant>E_ALL</constant> now includes <constant>E_STRICT</constant> level
@@ -1399,7 +1390,7 @@
    </listitem>
    <listitem>
     <simpara>
-     It's now possible to enforce the class' __construct arguments in an abstract
+     It's now possible to enforce the class' <link linkend="language.oop5.decon">__construct</link> arguments in an abstract
      constructor in the base class.
     </simpara>
    </listitem>